Insiders disclosed a range of material transactions in US-listed companies on Thursday, with several large purchases and equally large sales appearing in recent Form 4 filings. The activity spanned healthcare, industrial manufacturing, energy and technology-related businesses and included both large single-owner buys and pre-arranged program sales.
Top buys
AdaptHealth Corp recorded the day’s largest insider acquisition. Richard M. Cashin Jr., who holds a roughly ten percent stake in the company, purchased a total of 2,046,691 shares between March 10 and March 12, 2026, for approximately $19.9 million. The purchases took place across multiple transactions with per-share prices ranging narrowly from $9.7281 to $9.7299. The filings show Cashin acquired 820,528 shares on March 10, 536,827 shares on March 11 and 689,336 shares on March 12. InvestingPro analysis cited in the filings characterizes the stock as currently undervalued and highlights a strong shareholder yield and a free cash flow yield of 17%.
Loar Holdings Inc. also posted a notable insider buy. Charles Dirkson R, president, CEO and executive co-chairman, purchased shares through the Charles Family Trust 13, in transactions aggregating to about $2.97 million. The trust bought 3,400 shares on March 10 at a weighted average price of $67.41, within a reported price range of $67.15 to $67.50. On March 11, it acquired 4,166 shares at an average of $67.49 (prices ranged $67.43 to $67.50), and on March 12 it added 36,434 shares at a weighted average of $67.45 (price points ranged from $67.19 to $67.50).
At Korro Bio, Inc., a ten percent owner named Baskett Forest purchased 207,100 shares of common stock at $11.11 per share in a March 10, 2026 transaction valued at about $2.3 million. The same transaction included 242,945 Pre-Funded Warrants priced at $11.109. Following these purchases, Baskett Forest indirectly holds 1,297,893 shares of Korro Bio. The filing notes the stock was trading near $11.50 at the time the activity was reported; the shares were down 62.61% over the prior six months but had recovered 43.57% year-to-date. The timing precedes an upcoming earnings report scheduled for March 18, five days after the March 10 filing. InvestingPro commentary attached to the disclosure indicates Korro holds more cash than debt on its balance sheet, but also notes that analysts do not expect the company to be profitable this year.
Sinclair, Inc. Executive Chairman David D. Smith reported a purchase on March 28, 2025 of 97,285 shares of Class A common stock at a weighted average price of $15.42 per share (individual prices reported between $15.32 and $15.50), for an aggregate transaction value near $1.5 million. The filings further indicate Smith gifted a total of 1,494,800 shares of Class B common stock to trusts for his child, and that trusts associated with Smith acquired 1,494,800 shares of Class B common stock. The filings observe that the stock had declined 9.7% over the prior week and was trading at $13.85, below Smith’s purchase price. InvestingPro analysis included with the filings characterizes Sinclair as appearing undervalued at current levels and highlights a significant dividend yield of 7.22% after 17 consecutive years of payments.
Patrick Industries, Inc. Director Welch M. Scott added 10,000 shares in a series of transactions at prices ranging from $113.46 to $113.885, for a total purchase amount of approximately $1.13 million. After the transactions dated March 12, 2026, Scott directly holds 31,772 shares of Patrick Industries. The filings also disclose indirect holdings of 146,000 shares by a spouse and an additional 3,142 shares held through entities controlled by the reporting person. The filings note that Patrick Industries trades at $113.14, close to recent lows; InvestingPro analysis referenced by the disclosure indicates the stock appears overvalued relative to its fair value, while also noting the company delivered a strong 38% return over the previous year.
Top sells
Control Empresarial de Capitales S.A. de C.V., a ten percent owner of PBF Energy Inc., sold a total of 860,000 shares of Class A common stock across two transactions for proceeds of roughly $36 million. According to the filings, 22,000 shares were sold on March 10 at a weighted average price of $40.0843 (individual sale prices ranged from $39.99 to $40.13). A substantially larger block of 838,000 shares was sold on March 11 at a weighted average price of $41.9138, with prices in the second transaction ranging from $41.5101 to $42.23.
Advanced Energy Industries Inc. President and CEO Kelley Stephen Douglas sold 45,551 shares on March 10, 2026, under a pre-arranged Rule 10b5-1 trading plan, generating proceeds of approximately $15.8 million. The shares sold at prices between $305.48 and $321.13. Following these sales, the filing indicates Kelley directly owns 80,376 shares of Advanced Energy Industries Inc. The disclosure notes AEIS shares have appreciated roughly 190% over the past year and that the stock was trading at $305.82 at the time of reporting. InvestingPro analysis contained with the filings characterizes the stock as appearing overvalued at current levels.
Toro Co Chairman and CEO Richard M. Olson reported the sale of 119,400 shares on March 10, 2026, realizing approximately $11.96 million in proceeds from prices in the $100.00 to $100.69 range. On the same date, Olson exercised options to acquire 119,400 Toro Co shares at an exercise price of $56.54, representing an exercise cost of about $6.75 million.
Patrizio Vinciarelli, chairman and CEO of Vicor Corp, sold 49,830 shares on March 11, 2026 across multiple transactions executed under a Rule 10b5-1 plan adopted November 3, 2025. The weighted average prices reported for the sales ranged from $168.1244 to $180.171 per share, resulting in aggregate proceeds of about $8.9 million. The filing notes that Vinciarelli still directly holds 9,408,163 shares of Vicor Corp after the transactions. The disclosure points out the stock delivered a 235% return over the past year and cites InvestingPro analysis suggesting the shares may be overvalued at current prices.
Figure Technology Solutions, Inc. Director Sachin Chand Jaitly reported multiple disposals of Class A common stock on March 10, 2026, with total proceeds of roughly $7.29 million. The reported price ranges for the various trades were $33.5012 to $34.3848. The filings detail several specific dispositions: an indirect disposal of 156,947 shares at a weighted average price of $33.5012 and 28,795 shares at a weighted average price of $34.3848; along with an additional disposal of 26,170 shares at a weighted average of $33.5012 and 4,801 shares at a weighted average of $34.3848. The shares were held by Tessera Venture Capital Fund, LP and Tessera Venture Capital Fund II, LP, and the filings note that following these transactions both funds hold zero shares of the issuer’s Class A common stock. The disclosure adds that FIGR stock traded at $36.14 and had risen nearly 19% over the prior week, and that InvestingPro analysis places the shares at an elevated valuation with a reported P/E of 57.45.
What the filings indicate
The mix of activity shows both concentrated insider accumulation and significant disposals. Large purchases by significant shareholders or executives can signal conviction about future prospects, while sales - whether pre-arranged under 10b5-1 plans or executed by major holders - can reflect a range of motivations including liquidity needs or portfolio rebalancing. The filings highlighted here also included InvestingPro commentary provided alongside the SEC disclosures, which characterizes several names as appearing overvalued at recent market prices and flags valuation metrics such as free cash flow yield, P/E ratios and dividend yields in specific cases.
Investors tracking insider activity should consider these trades in the broader context of company fundamentals, valuation commentary provided within the filings and imminent corporate events referenced in the disclosures - for example, Korro Bio’s earnings announcement scheduled for March 18, five days after its reported insider purchase.
Monitoring Form 4 filings remains a way to observe how executives and major shareholders deploy capital in their own companies. While purchases can be interpreted as endorsements and sales as potential warning signs, the filings make clear that motivations vary and that these transactions are only one input among many when assessing investment decisions.